Can spray on insulation be safely applied as a retrofit to an occupied home?

— Don Keith Fairbanks, AK

Answered by Bill Bradbury on January 31, 2012

Do acrylic bath tubs leach chemicals when you take a bath?

— Emilie Pittsburgh, PA

Answered by Bill Bradbury on January 31, 2012

What is the best green insulation to use in our crawl space?

— L. Stephenson Palos Verdes Peninsula, CA

Answered by Bill Bradbury on January 31, 2012

Are copper water pipes harmful?

— Jan Berte Carroll, IA

Answered by Bill Bradbury on December 29, 2011

Can bamboo flooring work in very dry, desert-like environments?

— Linda Quiroz Big Bear City, CA

Answered by Bill Bradbury on July 22, 2011